National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Chester County Airport (KMQS)

Lat: 39.98°NLon: 75.87°WElev: 659ft.

A Few Clouds

46°F

8°C

Humidity 42%
Wind Speed SW 16 G 28 mph
Barometer 29.80 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 13 Mar 5:15 pm EDT
Extended Forecast for

2 Miles W Coatesville PA

  • Tonight

    Tonight: A slight chance of rain between 8pm and 9pm. Mostly clear, with a low around 35. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain and
    Breezy then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.

    High: 49 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming northeast after midnight.

    Low: 34 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Cloudy, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 51 °F

    Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 46. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Chance Rain
    then Rain

  • Monday

    Monday: Showers, with thunderstorms also possible after 11am. High near 64. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 64 °F

    Showers and
    Breezy

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.

    Low: 29 °F

    Showers and
    Breezy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 35. Breezy.

    High: 35 °F

    Mostly Cloudy
    and Breezy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of rain between 8pm and 9pm. Mostly clear, with a low around 35. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 49. Breezy, with a west wind 15 to 20 mph, with gusts as high as 40 mph.
Saturday Night
Increasing clouds, with a low around 34. Northwest wind around 5 mph becoming northeast after midnight.
Sunday
Cloudy, with a high near 51. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Sunday Night
Rain, mainly after 2am. Low around 46. Southeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Showers, with thunderstorms also possible after 11am. High near 64. Breezy. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers between 8pm and 2am. Low around 29. Breezy. Chance of precipitation is 80%.
Tuesday
Mostly cloudy, with a high near 35. Breezy.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Partly sunny, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 46.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Mostly cloudy, with a high near 48.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Coatesville PA
 39.99°N 75.85°W (Elev. 597 ft)
Last Update:
4:12 pm EDT Mar 13, 2026
Forecast Valid:
5pm EDT Mar 13, 2026-6pm EDT Mar 20, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation